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How to create your own mail server using Postfix and Dovecot on Amazon Web Services (AWS)
💡If your AWS account is not permitted to use port 25, you will not be able to send outgoing mail from your mail server. You will need to submit a support ticket at the link here: https://support.console.aws.amazon.com/support/contacts#/rdns-limits. Log into your Amazon Web
YubiKey and Pretty Good Privacy (PGP)
Random password
All Macs come with a pre-installed app called Terminal. You can find Terminal by navigating to Finder -> Go -> Utilities. Alternatively, you can find Terminal by launching Spotlight using Command + Space and typing in Terminal. Once you are in Terminal, you can use the openssl rand command
Secure messaging
WhatsApp is used by more than two billion users. Together with Facebook Messenger, the two messaging apps by Meta Platforms dominate the market worldwide. In 2016, WhatsApp implemented the Signal Protocol to encrypt the communication on its app. WhatsApp Encryption Overview383236184_722587863039320_5040651063228680393_n.pdf1 MBdownload-circle According to the overview